100218 has 8 divisors (see below), whose sum is σ = 200448. Its totient is φ = 33404.

The previous prime is 100213. The next prime is 100237. The reversal of 100218 is 812001.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

100218 is an admirable number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (100213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8346 + ... + 8357.

It is an arithmetic number, because the mean of its divisors is an integer number (25056).

2¹⁰⁰²¹⁸ is an apocalyptic number.

100218 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

100218 is a wasteful number, since it uses less digits than its factorization.

100218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16708.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 100218 is about 316.5722666312. The cubic root of 100218 is about 46.4495927350.

Adding to 100218 its reverse (812001), we get a palindrome (912219).

The spelling of 100218 in words is "one hundred thousand, two hundred eighteen".